# MACHINERY
> MSHA accident `220012980033` · 10/21/2001 · Martin Marietta Aggregates
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** MACHINERY
- **Accident type:** Struck against stationary object
- **Occupation:** Miner, NEC
- **Activity:** Bar down, Includes scaling
- **Injury source:** BACK,MINE ROOF,HNGNG WALL
- **Nature of injury:** CUT,LACER,PUNCT-OPN WOUND
- **Body part:** HEAD, MULTIPLE PARTS
- **Days lost:** —
- **Mine experience:** 0.07 years
## Operator
- **Controller:** Martin Marietta Materials Inc
- **Operator:** Martin Marietta Aggregates
- **Mine:** [1300032](https://api.ai-analytics.org/mine/1300032)
## Narrative

HAND SCALING OUT OF MANLIFT. LARGE LOOSE FELL ONTO MANLIFT BOOM. BOOM & GASKET WERE PUSHED DOWNBY THE WEIGHT OF THE ROCK & THEN CATAPULTED EE INOT THE BACK. EE HIT BACK WITH HEAD (HARD HAT HAD FALLEN OFF) CAUSING 3 LACERATION TO THE TOP OF HIS SKULL

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*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · AI Analytics · CC0 1.0*